Secretary of State Marco Rubio's new job as national security adviser sets the former Donald Trump rival up for a bigger role ...

Last week, Rubio made history again when Trump tapped him as national security adviser after former U.S. Rep. Mike Waltz, ...

Secretary of State Marco Rubio now holds four top roles in the Trump administration, raising questions about power, trust – ...

WH deputy chief of staff Stephen Miller dispelled rumors that President Trump is considering him to replace Mike Waltz as National Security Advisor. Miller suggested that Secretary of State Marco ...

Secretary Rubio’s new role as national security adviser may be unsustainable, according to foreign policy experts.

President Donald Trump has tasked several Cabinet members and other officials with multiple roles in his second ...

Indian National Security Advisor Ajit Doval spoke with Rubio “shortly after the strikes” and briefed him on the actions taken ...

Marco Rubio’s new role as national security adviser will place him closer to President Donald Trump at a higher frequency as the administration struggles to hatch a peace deal between Russia and ...

Sens. Mark Warner and Tammy Duckworth say Marco Rubio cannot be secretary of state and acting national security advisor.

As Rubio ascends in Trump’s administration, those close to him and Vance downplay any talk of a clash between the two men, who have become close friends and ideological allies.